O'Hanlon; Thomas A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for O'Hanlon; Thomas A..The latest application filed is for "fixed-cutter drill bit assembly and method".
- O'Hanlon; Thomas A. - Tacoma WA
| Patent | Date |
|---|---|
| Fixed-cutter drill bit assembly and method Grant 5,595,252 - O'Hanlon January 21, 1 | 1997-01-21 |
| Leakproof high pressure nozzle assembly Grant 4,660,773 - O'Hanlon April 28, 1 | 1987-04-28 |
| Cutter assembly Grant 4,540,056 - O'Hanlon September 10, 1 | 1985-09-10 |
| Cable reaming apparatus Grant 4,385,667 - Reichman , et al. May 31, 1 | 1983-05-31 |
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